Word recognition data from identical and fraternal twins and siblings (N=172) indicated that the phonological coding deficit of children with reading disabilities was highly heritable. Orthographic coding was not significantly heritable. Poor readers with low IQs were superior to similar reading but average IQ readers in phonological coding.…

This study of 640 twins with reading disability and 436 controls (mean age 12) examined external validity of the distinction between specific reading retardation and reading backwardness, in 3 domains: genetic etiology, sex ratio and clinical correlates, and neuropsychological profiles. There was no evidence of differential genetic etiology of the…

Examines national data sets of cognitive scores for intellectual dysgenesis by considering race, socioeconomic status, and ability-related changes in test scores over time. The analysis did not support the dysgenic hypothesis; however, it indicates a convergence of the various segments of U.S. society. (MMU)

Urges educators and citizens to ignore the hype surrounding "The Bell Curve" and to grasp the ethnocentrism (or racism) that underlies eugenicist arguments. Both Carnoy and Ladson-Billings offer hope to those supporting educational equity and the appreciation of diversity. (SLD)

This article summarizes the thesis of "The Bell Curve: Intelligence and Class Structure in American Life," noting its rejection of educational intervention to solve social problems correlated to low IQ. It critiques the book for its failure to consider important research findings, and addresses the race issue, urging that the book's…